Ransomware Research
Oled Ransomware
Oled is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Oled
- First Seen
- May 1, 2017
How Oled Ransomware Works
File Encryption Patterns
Oled modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..oledRansom Note and Payment Demands
After encrypting files, Oled displays ransom notes demanding payment for file recovery:
DECRYPTION.txtRansom message:
notes/DECRYPTION.txt
Note locations:
EveryFolderREADME.txtRansom message:
notes/README.txt
Note locations:
EveryFolderElastio Can Help You
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About This Analysis
This Oled ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Oled.
Last updated: July 30, 2025